Chemical reactions dynamics; From atomic level to global view

Kasai, Toshio*; Hashinokuchi, Michihiro*; Okada, Michio*; Ito, Hironori*; Moritani, Kosuke*; Teraoka, Yuden

no journal, , 

It is very important to study on steric effects or orientational effects of inpinging molecules to understand chemical reactions with an atomic and molecular level. Recently, orientational effects of NO molecules for dissociative adsorption at Si(111)-77 surface has been observed by a surface analytical method using X-ray photoemission spectroscopy. Chemical reactivity of N-end collisions was larger than that of O-end collisions. It depended on surface temperature. It was concluded that NO molecules were trapped tentatively on the Si(111) surface.